| No. | Hedge Fund | Shares | Value | Activity | % Port |
|---|---|---|---|---|---|
| 1. | VenBio Select Advisor Kurt Von Emster | 990,000 | $832,540,500 | 8.18% | |
| 2. | Citadel Investment Group Ken Griffin | 350,851 | $295,048,149 | -51% | 0.04% |
| 3. | OrbiMed Advisors Samuel Isaly | 146,000 | $122,778,700 | -16% | 2.51% |
| 4. | Checkpoint Capital Sam Huang | 142,000 | $119,414,900 | -6% | 37.31% |
| 5. | Two Sigma Advisors John Overdeck And David Siegel | 135,500 | $113,948,725 | -4% | 0.22% |